Sökning: "Seals-fishery conflict"

Hittade 2 uppsatser innehållade orden Seals-fishery conflict.

  1. 1. Attack behavior and presence of grey seals around pots : a search for seal-safe cod-pots in the Baltic sea

    Master-uppsats, SLU/Dept. Of Aquatic Resources

    Författare :Jasmine Stavenow; [2016]
    Nyckelord :grey seal; Halichoerus grypus; seal behavior; seal attacks; seal presence; sealsafe; seals-fishery conflict; seals and fishery; fishing gear; cod-pots; sustainable fishing; Baltic sea; coastal fishery;

    Sammanfattning : The seals and the fishery are forced to share the role as top-predators in the Baltic waters since they both depend on the same fish stocks, which leads to an unavoidable competition. Seals are raiding traps, leading not only to costly damaged fishing gears and loss in fish catch but also to the seals themselves getting caught and drowned in the gears as by-catch. LÄS MER

  2. 2. Explaining catch efficiency of cod pots using in situ behavioural studies

    Master-uppsats, SLU/Dept. Of Aquatic Resources

    Författare :Maria Hedgärde; [2016]
    Nyckelord :Grey seal; ; cod; CPUE; Fish behaviour; Seals-fishery conflict; Fishing gear; cod pot;

    Sammanfattning : The seal populations in the Baltic have been growing since the 1980s causing great eco-nomic losses for the fisheries since seals are using fishing gear as easy food sources. One solution to the seal and fishery conflict is the development of seal safe fishing gear. Pots are a possible solution in the cod (Gadus morhua) fishery. LÄS MER